A musher is a person who drives a dog sled, commanding and caring for a team of sled dogs that pull the sled across snow and ice. The word comes from the French command “marche!” (meaning “go!” or “move!”), which early dog sled drivers in Canada would shout to their teams.

Mushers have played a vital role in Arctic and subarctic regions for centuries, transporting supplies, mail, and people across frozen wilderness where wheels couldn't go. In 1925, a relay of mushers and their dog teams famously carried life-saving medicine 674 miles across Alaska to the town of Nome during a diphtheria outbreak, racing through blizzards and temperatures far below zero. This heroic journey inspired the Iditarod, a famous long-distance sled dog race held in Alaska every year.

Being a musher requires deep knowledge of dogs, weather, and wilderness survival. Mushers must train their dogs, care for their health, and build strong bonds with each animal. They read snow conditions, navigate by landmarks, and make quick decisions to keep their team safe. The lead dog listens to the musher's voice commands like “gee” (turn right) and “haw” (turn left).

Today, some mushers work in remote areas where dog sleds remain practical transportation, while others race competitively or give tourists rides through snowy landscapes.